Unravelling Ultrafast Excited State Absorption in Few Layer ReS2

Dipendranath Mandai; Sourav Marik; Sudarshan Sharma; R. P. Singh; K. V. Adarsh

doi:10.1364/CLEO_SI.2020.SW4G.7

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper SW4G.7
•https://doi.org/10.1364/CLEO_SI.2020.SW4G.7

Unravelling Ultrafast Excited State Absorption in Few Layer ReS₂

Dipendranath Mandai, Sourav Marik, Sudarshan Sharma, R. P. Singh, and K. V. Adarsh

CLEO: Science and Innovations 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Nonlinear Optics and Laser-Driven Excitations (SW4G)

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D. Mandai, S. Marik, S. Sharma, R. P. Singh, and K. V. Adarsh, "Unravelling Ultrafast Excited State Absorption in Few Layer ReS2," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper SW4G.7.

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Abstract

Here we report excited-state absorption in few layer ReS2 using ultrafast pump-probe and nonlinear spectroscopy. The remarkable transition from reverse-saturable to two-photon absorption reveals its potential applications in optical limiting and switching.

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